Nutrient deficiencies in apple plants (Pyrus malus L.)

Authors

  • H.P. Haag USP; E.S.A. Luiz de Queiroz; Departamento de Química
  • P.E. Trani CATI
  • J.R. Sarruge USP; E.S.A. Luiz de Queiroz; Departamento de Química
  • A.R. Dechen USP; E.S.A. Luiz de Queiroz; Departamento de Química

DOI:

https://doi.org/10.1590/S0071-12761981000100032

Abstract

A trial was carried out with one year old 'Ohio Beauty apples (grafted on 'Doucin'), grown on sand cu1ture, receining nutrient solutions lacking the following nutrients at the time: N, P, K, Ca, Mg, S, and B. The main conclusions are as follows: as the adequate and inadequate levels from leaf analysis were, respectively: N -2.22 and 1.53%, P - 0,17 and 0.05%, K - 1.32 and 0.33%; Ca -0.9.4 and 0.52%, Mg - 0.37 and 0.06%; S -0.18 and 0.08%; B -62 and 2k ppm.

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Published

1981-01-01

Issue

Vol. 38 No. 1 (1981)

Section

nd890590129

How to Cite

Haag, H., Trani, P., Sarruge, J., & Dechen, A. (1981). Nutrient deficiencies in apple plants (Pyrus malus L.) . Anais Da Escola Superior De Agricultura Luiz De Queiroz, 38(1), 377-386. https://doi.org/10.1590/S0071-12761981000100032